Email: sales@xtalong.com Tel: +86-28-80192520

38.4MHz OCXO DIP20*20MM

Nominal Frequency: 38.4000MHz
Operating Voltage: 3.3V
Output Waveform: CMOS
Frequency Accuracy: ±200 ppb (parts per billion, offering extremely high precision)
Package Dimensions: 20mm (L) x 20mm (W) x 12mm (H)
Pin Functions: Includes Supply Voltage (VCC), Electronic Frequency Control (EFC), Reference Voltage (Vref), Ground (GND), and RF Output (RF).

A high-performance 38.4MHz OCXO featuring ppb-level frequency stability, ultra-low phase noise, and industrial-grade reliability for precision timing applications.


Features

Extreme Stability: ppb-level precision and minimal aging for long-term consistent performance.

Excellent Signal Purity: Low phase noise reduces transmission jitter and errors.

Industrial Reliability: Built for harsh environments (-40°C to +85°C) with robust shock and ESD protection.


Specifications

Item

Parameter

Value

Unit

Test Condition



Min.

Type

Max.



Connection

Power Supply

-

3.3

-

V


Load


15


pF


Output

Nominal Frequency

38.400

MHz


Waveform

CMOS

—--


High Level

2.7



V

Load 15pF

Low Level



0.3

V


Rise/Down Time



6

ns


Characteristics


Min

Typ.

Max

Unit


Frequency Accuracy

-200


+200

ppb


Ambient

-20


+20

ppb

-40+85℃,
fref=(fmax+fmin)/2

Aging

-1


+1

ppb

After work 30days

Phase Noise


Min

Typ.

Max

Unit


@100Hz


-


dBc/Hz

Load 15pF

@1KHz


-140


dBc/Hz


@10KHz


-145


dBc/Hz


@100KHz


-


dBc/Hz


Power

Start Current



3.5

W

@Turn on




1.5

W

@Stable 25±3

Frequency changed range

-0.3


+0.3

ppm


Controlled voltage range

0

-

3.0

VDC


Input Impedance

100




Operable Temp. Range

-40


+85


Storage Temp. Range

-55


+85


Duty cycle

45


55

%


Dimension

38.4MHZ OCXO DIMENSION.png

A15.2±0.2mm  B15.2±0.2mm


L: 20.0±0.5mm  W:20.0±0.5mm  H:12.0±0.5

Pin

Symbol

Electrical performance

1

VCC

Power input

2

EFC

Electronic Frequency Control

3

Vref

Voltage reference

4

GND

Ground

5

RF

RF intput


Applications

5G/4G Communication Base Station Synchronization

Precision Measuring Instruments

Satellite Navigation Receivers (GNSS Receivers)

Broadcasting and Television Transmission Equipment


SMD1409 100 mhz ocxo oscillator


INQUIRY